ANNIVERSARY ADDRESS. 35 



centres, that is a problem that will assert itself later on ; as in 

 dealing with the excretory products from dwellers in towns ; a 

 problem over which vast sums of money, and numberless lives 

 have been wasted. Thus having learned by patient toil and 

 tribulation, some lessons from 



' Immortal Nature's ageless harmony ' 

 our studies lead us away from the Alchemy of ^Antiquity and we 

 are confronted with those problems of Sanitation and the Public 

 Health that call for prompt solution. With what success one of 

 these problems shows promise of speedy and satisfactory treatment 

 it has been my pleasure to indicate. 



